222519249

素因数分解:

$3^2\times {\mathrm{109}}^2\times {\mathrm{2081}}^1$

素因数の和:2305

約数の個数: 18

約数和(自身を含む): 324548406

約数和(自身を除く): 102029157

約数列:

[1, 3, 9, 109, 327, 981, 2081, 6243, 11881, 18729, 35643, 106929, 226829, 680487, 2041461, 24724361, 74173083, 222519249]

約数ペア:

[(1, 222519249), (3, 74173083), (9, 24724361), (109, 2041461), (327, 680487), (981, 226829), (2081, 106929), (6243, 35643), (11881, 18729)]